| Code |
Description |
| 125 |
Data connection already open, transfer starting.
(Download/Upload Starting) |
| 150 |
File status okay, about to open data connection.
(Preparing to Transfer File) |
| 200 |
Command Okay. |
| 211 |
System status, or system help reply. |
| 212 |
Directory status. |
| 213 |
File status. |
| 214 |
Help message. |
| 220 |
Service ready for new user.
(Welcome Messages) |
| 221 |
Service closing control connection. Logged out if appropriate. |
| 225 |
Data connection open; no transfer in progress. |
| 226 |
Closing data connection. Requested file action successful. |
| 227 |
Entering Passive Mode. |
| 230 |
User logged in, proceed.
(Login Successful) |
| 250 |
Requested file action okay, completed. |
| 331 |
User name okay, need password. |
| 332 |
Need account for login. |
| 350 |
Requested file action pending further information. |
| 421 |
Service not available, closing control connection.
(Too many users, Server Closing, User Banned) |
| 425 |
Can't open data connection. |
| 426 |
Connection closed; transfer aborted. |
| 450 |
Requested file action not taken. File unavailable (e.g., file busy). |
| 451 |
Requested action aborted: local error in processing. |
| 452 |
Requested action not taken. Insufficient storage space in system. |
| 500 |
Syntax error, command unrecognized. |
| 501 |
Syntax error in parameters or arguments. |
| 502 |
Command not implemented. |
| 503 |
Bad sequence of commands. |
| 504 |
Command not implemented for that parameter. |
| 530 |
Not logged in. |
| 550 |
Requested action not taken. File unavailable.
(file not found, no access). |
| 553 |
Requested action not taken. File name not allowed. |
